/*
crc_check.h
offer crc check function api extern
designed by lunanting

-----------------------
2020-06-22 19:17:45
create file
-----------------------
*/
#ifndef __CRC_CHECK_H
#define __CRC_CHECK_H



/**************************function extern*******************************/
extern unsigned int xp_crc_check_32(unsigned char *data, unsigned int length);  //crc 32 check
extern unsigned int xp_crc_check_32_png(unsigned char *data, unsigned int length);  //crc check 32 for png picture data
extern unsigned char xp_crc8(unsigned char *data,int len);  //crc8


#endif
//end of the file
